Obsidian NX DMX, DMX USB interface, Can be used with Onyx for PC software, all Obsidian series consoles and LightJockey, Enables bidirectional RDM communication, with which the settings or addresses of the corresponding fixtures can be changed and their sensor data can be accessed, Unlocks two universes for the Onyx for PC Free Edition, Up to four universes can be activated without a dongle (ArtNet, sACN), DMX 512 channels: up to 1024, DMX connection: 2x 5-pin XLR female, USB connection: 1x USB-B 2.0, Power supply: via USB, Metal housing, Housing protection class: IP20, Dimensions: 9.2 x 8.2 x 4.1 cm, Weight: 0.25kg